HP dc7800 tower manual Computer Setup or Windows utilities

Table A-1Numeric Codes and Text Messages (continued)

Control panel message	Description	Recommended action
605-Diskette Drive Type Error	Mismatch in drive type.	1.	Run Computer Setup.
		2.	Disconnect any other diskette controller
			devices (tape drives).
		3.	Clear CMOS. (See Appendix B,
			Password Security and Resetting
			CMOS on page 58.)
610-External Storage Device Failure	External tape drive not connected.	Reinstall tape drive or press F1 and allow
		system to reconfigure without the drive.
611-Primary Floppy Port Address	Configuration error.	Run Computer Setup and check the
Assignment Conflict		configuration in Advanced > Onboard
		Devices.
660-Display cache is detected unreliable	Integrated graphics controller display cache	Replace system board if minimal graphics
	is not working properly and will be disabled.	degrading is an issue.
912-Computer Cover Has Been Removed	Computer cover was removed since last	No action required.
Since Last System Startup	system startup.
917-Front Audio Not Connected	Front audio harness has been detached or	Reconnect or replace front audio harness.
	unseated from motherboard.
918-Front USB Not Connected	Front USB harness has been detached or	Reconnect or replace front USB harness.
	unseated from motherboard.
921-Device in PCI Express slot failed to	There is an incompatibility/problem with this	Try rebooting the system. If the error
initialize	device and the system or PCI Express Link	reoccurs, the device may not work with this
	could not be retrained to an x1.	system
1151-Serial Port A Address Conflict Detected	Both external and internal serial ports are	1.	Remove any serial port expansion
	assigned to COM1.		cards.
		2.	Clear CMOS. (See Appendix B,
			Password Security and Resetting
			CMOS on page 58.)
		3.	Reconfigure card resources and/or run
			Computer Setup or Windows utilities.
1152-Serial Port B Address Conflict Detected	Both external and internal serial ports are	1.	Remove any serial port expansion
	assigned to COM2.		cards.
		2.	Clear CMOS. (See Appendix B,
			Password Security and Resetting
			CMOS on page 58.)
		3.	Reconfigure card resources and/or run
			Computer Setup or Windows utilities.
1155-Serial Port Address Conflict Detected	Both external and internal serial ports are	1.	Remove any serial port expansion
	assigned to same IRQ.		cards.
		2.	Clear CMOS. (See Appendix B,
			Password Security and Resetting
			CMOS on page 58.)
		3.	Reconfigure card resources and/or run
			Computer Setup or Windows utilities.
1201-System Audio Address Conflict	Device IRQ address conflicts with another	Enter Computer Setup and reset the IRQ in
Detected	device.	Advanced > Onboard Devices.
1202-MIDI Port Address Conflict Detected	Device IRQ address conflicts with another	Enter Computer Setup and reset the IRQ in
	device.	Advanced > Onboard Devices.
1203-Game Port Address Conflict Detected	Device IRQ address conflicts with another	Enter Computer Setup and reset the IRQ in
	device.	Advanced > Onboard Devices.

52 Appendix A POST Error Messages ENWW